package com.zhu.salesmanagement.models;

import java.util.ArrayList;

/**
 * Data Center
 */
public class DataCenter {
	private static DataCenter center ;
	
	public static DataCenter self() {
		if (center == null) {
			center = new DataCenter();
		}
		return center ;
	}
	
	private DataCenter() {
		
	}
	
	//用户名
	public static String 		username;
	public static String 		password;
}
